Mimic lightning in Blender's video editing mode
Blender VSE has a range of color effects you can apply on strips.
The simplest :


Select your strip
In the properties region > Filter, change the value of Multiply to change the bightness


Then you have modifiers:


In the Properties region > Modifiers > Add Strip Modifier, try :


White Balance
Bright/Contrast
Curves



Finally you have effect strips:


with your strip selected, hit shift+A (or click on "Add")
in Effect Strip, try :


Glow, then change its parameters in the properties region > Effect Strip
Color, then  set the blend mode to "Add" (in properties region > Edit Strip) and change the color in Effect Strip.